import Vue from "vue";
import Router from "vue-router";

Vue.use(Router);

/* Layout */
import Layout from "@/layout";

const Base_URL = "";

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
  {
    path: Base_URL + "/",
    // redirect: "/home",
    // name: 'Login',
    component: () => import("@/views/home/index"),
    hidden: true
  },
  {
    path: Base_URL + "/detail",
    // redirect: "/home",
    // name: 'Login',
    component: () => import("@/views/home/detail"),
    hidden: true
  },
  {
    path: Base_URL + "/mobile",
    // redirect: "/home",
    // name: 'Login',
    component: () => import("@/views/mobile/index"),
    hidden: true
  },
  {
    path: Base_URL + "/mobile/detail",
    // redirect: "/home",
    // name: 'Login',
    component: () => import("@/views/mobile/detail"),
    hidden: true
  },
  {
    path: Base_URL + "/404",
    component: () => import("@/views/404"),
    hidden: true
  }
];

// 检测是否为移动端浏览器内核
function isMobile() {
  const userAgent = navigator.userAgent.toLowerCase()
  const mobileKeywords = ['android', 'iphone', 'ipod', 'blackberry', 'windows phone']
  for (let i = 0; i < mobileKeywords.length; i++) {
    if (userAgent.indexOf(mobileKeywords[i]) !== -1) {
      return true
    }
  }
  return false
}

/**
 * asyncRoutes
 * the routes that need to be dynamically loaded based on user roles
 */
export const asyncRoutes = [
  // 404 page must be placed at the end !!!
];

const createRouter = () =>
  new Router({
    mode: "hash", // require service support
    scrollBehavior: () => ({ y: 0 }),
    routes: constantRoutes
  });

const router = createRouter();

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter();
  router.matcher = newRouter.matcher; // reset router
}


// 路由守卫
router.beforeEach((to, from, next) => {
  if (isMobile() && to.path == '/') {
    next('/mobile')
    // if(to.path == '/detail'){
    //   next('/mobile/detail')
    // }else{
      
    // }
    
  }else if (isMobile() && to.path == '/detail') {
    next('/mobile/detail')
    // if(to.path == '/detail'){
    //   next('/mobile/detail')
    // }else{
      
    // }
    
  } else {
    // 否则继续原有路由
    next()
  }
})

export default router;
